package lucky;

import java.util.concurrent.Executors;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.nextLine());
        ExecutorService exec = 

        		
        		Executors.newSingleThreadExecutor();;
       	     for (int i = 0; i < n; i++) {
       	    	 exec.execute(new Task(i));
       		}
       	     
        exec.shutdown();
    }
}